When the Indians determine to destroy Bisons in this way, one of their swiftest-footed and most active young men is selected, who is disguised in a Bison skin, having the head, ears, and horns adjusted on his own head, so as to make the deception very complete; and thus accoutred, he stations himself between the Bison herd and some of the precipices, which often extend for several miles along the rivers. The Indians surround the herd as nearly as possible, when, at a given signal, they show themselves, and rush forward with loud yells. The animals being alarmed, and seeing no way open but in the direction of the disguised Indian, run towards him, and he, taking to flight, dashes on to the precipice, where he suddenly secures himself in some previously ascertained crevice. The foremost of the herd arrives at the brink,--there is no possibility of retreat, no chance of escape; the foremost may, for an instant, shrink with terror, but the crowd behind, who are terrified by the approaching hunters, rush forward with increasing impetuosity, and the aggregate force hurls them successively into the gulf, where certain death awaits them. Sometimes they are taken by the following method:--A great number of men divide and form a vast square; each band then sets fire to the dry grass of the savannah, where the herds are feeding; seeing the fire advance on all sides, they retire in great consternation to the centre of the square; the men then close and kill them without the least hazard. Great numbers are also taken in pounds, constructed with an embankment of such an elevation as to prevent the return of the Bisons when once they are driven into it. A general slaughter then takes place with rifles or arrows. The following vivid sketch is from the narrative of John Tanner, who, when about seven or eight years of age, was stolen from his parents by the Indians, and remained with them during a period of thirty years.